Full-scale Drag Tests of Landing Lamps
This is a 1934 NASA technical report on full-scale drag tests of aircraft landing lamps, issued by the National Advisory Committee for Aeronautics for engineers and aircraft designers. The photographs compare unfaired and faired lamps mounted on wing leading edges and lower surfaces, with a line drawing of the lamp profiles and fillet dimensions. A designer could take from them the streamlined teardrop housing shapes and the clean fillet transitions where a fitting meets a smooth aerofoil surface.
